1640377555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127507}}^1$

素因数の和:127626

約数の個数: 16

約数和(自身を含む): 2056449024

約数和(自身を除く): 416071469

約数列:

[1, 5, 31, 83, 155, 415, 2573, 12865, 127507, 637535, 3952717, 10583081, 19763585, 52915405, 328075511, 1640377555]

約数ペア:

[(1, 1640377555), (5, 328075511), (31, 52915405), (83, 19763585), (155, 10583081), (415, 3952717), (2573, 637535), (12865, 127507)]